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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceAttiswilPeter Leuenberger AG
Peter Leuenberger AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Peter Leuenberger AG is the provision of services in the field of chimney sweeping, furnace control, fire protection and heating system cleaning.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered5
Chimney sweeping work
Cleaning, maintenance and inspection of heating and flue gas systems for safe and efficient operation; also for wood, oil and gas-fired burners as well as fireplaces and Swedish stoves.
Firing system inspection
Legally prescribed inspection of firing systems with precise flue gas measurements and checking compliance with the standards.
Fire protection consulting
Consulting in fire protection for heating and firing systems, as well as guidance on compliance with fire protection safety rules.
Heating system cleaning
Cleaning of gas, oil and wood-fired heating systems to improve energy efficiency, operational safety and the service life of the installation.
District heating cleaning and maintenance
Cleaning and maintenance of district heating systems for reliable operation and optimal heat distribution.
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4.5/5

Peter Leuenberger AG

Trust & reputation

ranQ Trust Score of Peter Leuenberger AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Peter Leuenberger AG scores 95.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.92.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Peter Leuenberger AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Peter Leuenberger AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Peter Leuenberger AG scores 7.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Peter Leuenberger AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 92 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 92 reviews across all connected sources

Sources
GGoogle4.992
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Comparisons

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Location

Seilerstrasse 18
4536 Attiswil
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-431.836.491
Founded
2011 · 15 years
Last commercial register change
June 18, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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